To heal a cold sore fast, start treatment as soon as you feel the initial tingling or burning sensation. Use an over-the-counter antiviral ointment such as docosanol (Abreva) or creams containing acyclovir or penciclovir, applied frequently as directed. Applying a cool, damp cloth or an ice pack to the sore can reduce inflammation and discomfort. Prescription antiviral medications like acyclovir, famciclovir, or valacyclovir can also speed healing, especially if taken early. Keeping the sore hydrated and avoiding picking or popping it helps prevent secondary infection and speeds recovery. Protect lips with a moisturizing balm with UV protection to prevent further irritation. Additionally, some natural remedies like aloe vera gel, lemon balm, and manuka honey may soothe and support healing. These approaches can shorten the duration from around 1-2 weeks to a slightly faster time frame but full clearing usually takes several days.

Key steps to heal cold sores quickly:

• Apply antiviral creams or ointments at the first sign.
• Use cold compresses or ice packs to reduce swelling.
• Avoid touching, picking, or popping the cold sore.
• Keep lips moisturized with balm that has sun protection.
• Consider prescription antiviral medication early if possible.
• Use home remedies like aloe vera or lemon balm for additional relief.
• Rest and manage stress to support the immune system.

This combination of timely medication application, cold soothing treatments, and careful lip care is the best strategy for faster healing of cold sores.